Question about Dell 2300MP Multimedia Projector

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Dell 2300 MP Projector: Wavy lines on screen

My projector recently started diaplaying wavy segments moving up the screen from the bottom to the top. The resolution seems to be getting poor as well.

Please, please help

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Hi and welcome to FixYa,

Initially, your description indicates that AC hum/component is superimposing on the video signal. This could be brought about by:

  • a faulty power supply capacitor;
  • loose shielding/grounding wire of the video cable;
  • electrical interference from nearby other electrical devices such as wireless phone, lamps with electronic ballast, lamp dimmer, or even the devices attached to the projector such as the DVD or computer or receiver.
Things you can try:
  • use a different outlet;
  • use a filtered power strip or an AVR similar to those used by desktop computer but with the power rating to the requirements of the projector;
  • change the signal cables;
  • inspect the internal circuitry of the projector with particular attention to the large capacitors of the power supply.
Another possibility worth mentioning is low AC voltage from the mains. Of course the best would be to perform voltage measurements and signal tracing with use of specialized equipment such as a scope while referencing a Service Manual.

Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 21, 2008

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Posted on Jan 02, 2017

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We are using a Dell 2300 projector. The Power


check that you have a signal going out of the monitor socket on your lalptop.

On Dell with projector connected and switched on, press the blue fn button bottom left usually, and while holding, press one marked CRT/LCD, (maybe f8) this will cycle to the following.
laptop only, laptop and monitor, monitor only, while holding Fn button press until you have desired outcome.

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Simply locate your nearest Dell dealer and give them a call.

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Sounds like a convergence promblem.

Here are some of the most common symptoms of a convergence problem.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence or magic focus section.

Try to adjust the convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

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accurate because the red and blue convergence overlays on

the green.If you have more than an alignment issue,that will need

repair before adjustments are attempted.

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